摘 要: | Manhattan's Conde Nast Building is a 48-story skyscraper whose solar cells and gas-powered solid fuel cells supply 10 percent of its annual power needs. The 53-story Commerzbank Head- quarters in Frankfurt is a spike-shaped tower with a number of sky gardens, which provides a communal space for its employees and customers. A structure with no definable shape, the City Hall of London, designed by Foster & Partners, requires merely 25 percent of the energy used in compa- rable modern office …
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